Retirement Calculator: Calculate Your Retirement Corpus & Savings

Personal Finance Calculator

Retirement Calculator

Estimate how much money you may need for retirement, how much you could accumulate, and whether your current savings and contributions are on track to meet your retirement goal.

Calculate Your Retirement Plan

Enter your details below to estimate your retirement corpus.

Estimated retirement corpus required ₹0
Projected corpus ₹0
Monthly retirement expense ₹0
Monthly contribution needed ₹0
Funding gap / surplus ₹0

About the Retirement Calculator

A retirement calculator helps estimate the amount of money you may need when you stop working. It considers your current age, retirement age, current savings, regular contributions, inflation, investment returns, retirement expenses and expected lifespan.

The calculator projects your retirement corpus before retirement and estimates how much money may be required to fund your expenses during retirement.

Retirement Calculator Attributes

  • Current age: Your age today.
  • Retirement age: The age at which you expect to stop working.
  • Life expectancy: The estimated age through which retirement savings should last.
  • Current savings: Your existing retirement investments or savings.
  • Monthly contribution: Amount invested every month before retirement.
  • Current expenses: Your present monthly household expenses.
  • Inflation: Expected annual increase in the cost of living.
  • Pre-retirement return: Expected annual investment return before retirement.
  • Post-retirement return: Expected annual return during retirement.
  • Retirement expense percentage: Expected retirement spending compared with your final working-year expenses.

Retirement Calculator Formulas

Years until retirement Retirement Age − Current Age
Future monthly expenses Current Monthly Expenses × (1 + Inflation Rate)Years Until Retirement
Estimated retirement expense Future Monthly Expenses × Retirement Expense %
Future value of current savings Current Savings × (1 + Annual Return)Years Until Retirement
Future value of monthly contributions Monthly Contribution × [((1 + Monthly Return)Number of Months − 1) / Monthly Return]
Required retirement corpus Monthly Retirement Expense × [1 − (1 + Monthly Post-Retirement Return)−Retirement Months] / Monthly Post-Retirement Return

Understanding Your Results

  • Required retirement corpus: Estimated amount needed at retirement to fund projected expenses.
  • Projected corpus: Estimated value of your current savings plus future contributions.
  • Monthly retirement expense: Estimated monthly spending requirement when you retire.
  • Monthly contribution needed: Approximate monthly investment required to reach the target corpus.
  • Funding gap/surplus: Difference between the projected corpus and required corpus.

Calculation History

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Step-by-Step Retirement Calculation Example

  1. Calculate years until retirement.
    If you are 30 and plan to retire at 60:
    60 − 30 = 30 years
  2. Inflate your current expenses.
    If current expenses are ₹50,000 per month and inflation is 6%:
    ₹50,000 × (1.06)30
  3. Estimate retirement expenses.
    If you expect to spend 80% of your final working-year expenses:
    Future Expenses × 80%
  4. Calculate the required retirement corpus.
    The calculator uses the present-value formula for a series of retirement withdrawals, considering the expected post-retirement return.
  5. Calculate your projected corpus.
    Your current savings and monthly contributions are compounded using the expected pre-retirement investment return.
  6. Compare the two amounts.
    If your projected corpus is greater than the required corpus, your current plan produces a surplus. Otherwise, you may need to increase contributions, delay retirement, reduce expenses, or reconsider your expected returns.

Frequently Asked Questions

How much money do I need to retire?

The amount depends on your retirement age, expected lifespan, retirement expenses, inflation and investment returns. Use the calculator to estimate a personalized target.

How does inflation affect retirement planning?

Inflation reduces the purchasing power of money over time. A retirement plan therefore needs to account for higher future living expenses.

Should I include my current savings?

Yes. Existing savings can potentially grow before retirement and contribute toward your retirement corpus.

What return should I enter?

Use a reasonable long-term assumption based on your investment strategy. Investment returns are uncertain and actual returns can be higher or lower than your assumption.

Why is post-retirement return different?

Investors often use a more conservative return assumption after retirement because the investment horizon, portfolio allocation and tolerance for losses may change.

Does this calculator guarantee my retirement income?

No. This is an educational planning tool. Actual inflation, investment returns, taxes, healthcare costs and lifespan can differ significantly from estimates.

Disclaimer: This retirement calculator provides estimates for educational and planning purposes only. It does not constitute financial, investment, tax or legal advice. Actual investment returns, inflation, expenses and retirement requirements may differ.